XML 45 R54.htm IDEA: XBRL DOCUMENT v2.4.0.6
Net Income Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2012
Computations of Net Income Per Common Share

The computations of net income per common share are presented below.

 

(In Millions Except Common Share Information)    2012        2011        2010  

BASIC NET INCOME PER COMMON SHARE

                               

Average Number of Common Shares Outstanding

      240,417,805           241,401,310           242,028,776   

Net Income Applicable to Common Stock

    $ 687.3         $ 603.6         $ 669.5   

Less: Earnings Allocated to Participating Securities

      10.0           7.1           5.6   
   

Earnings Allocated to Common Shares Outstanding

      677.3           596.5           663.9   

Basic Net Income Per Common Share

      2.82           2.47           2.74   
   

DILUTED NET INCOME PER COMMON SHARE

                               

Average Number of Common Shares Outstanding

      240,417,805           241,401,310           242,028,776   

Plus Dilutive Effect of Share-based Compensation

      463,439           410,074           473,755   
   

Average Common and Potential Common Shares

      240,881,244           241,811,384           242,502,531   
                                

Earnings Allocated to Common and Potential Common Shares

    $ 677.3         $ 596.5         $ 663.9   

Diluted Net Income Per Common Share

      2.81           2.47           2.74   

 

Note: Common stock equivalents totaling 12,158,601 , 13,240,787, and 8,392,686 for the years ended December 31, 2012, 2011, and 2010, respectively, were not included in the computation of diluted net income per common share because their inclusion would have been antidilutive.